Dry gas, water vapor

L VAPORIZER T=200C P=100kPa Pv eth. Alc=5.76 kPa

T=200C P=100kPa

V=6.0 kg eth. Alc

Unknown = VE

18.10 18.11

Dried material

E Gas or Gas vapor Wet material

Gas vapor

Gas mixture L

Absorbing medium(solvent/soln) F

Gas mixture

Leaving solution

An absorber receives a mixture of air containing 12 percent carbon disulfide. The absorbing solution is benzene and the gas exits from the absorber with a CS2 content of 3 percent and a benzene content of 3 percent (because some of the benzene evaporates). What fraction of CS2 was recovered?